<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>作业</title>
</head>
<body>
<!--表格-->
<table border="4">
    <thead>
    <tr>
        <th colspan="4">注册</th>
    </tr>
    </thead>

    <tbody>
    <form>
    <tr>
        <td>用户名</td>
        <td>    <input type="text" placeholder="请输入用户名"/>
        </td>
    </tr>

    <tr>
        <td>密码</td>
        <td><input type="password" placeholder="请输入密码"/></td>
    </tr>

    <tr>
        <td>确认密码</td>
        <td><input type="password" placeholder="请再次输入密码"/>
        </td>
    </tr>

    <tr>
        <td>性别</td>
        <td>
            <input type="radio" name="aaa">男
            <input type="radio" name="aaa">
        </td>
    </tr>

    <tr>
        <td>所学专业</td>
        <td>
            <select>
                <option>UI设计</option>
            <option>工业设计</option>
            <option>视觉传达</option>
            <option>平面设计</option>
        </select></td>
    </tr>

    <tr>
        <td>自我介绍</td>
        <td><textarea placeholder="自我介绍"></textarea></td>
    </tr>

    <tr>
        <td colspan="2">
            <input type="checkbox" />
            <span>已经阅读</span>
            <a href="#">《注册协议》</a>
        </td>
    </tr>

    <tr>
        <td><input type="reset"></td>
        <td><input type="button" value="提交"/></td>
    </tr>
    </form>
</body>
</html>